Industrial Ventilators – High Temperature

Industrial Ventilators – High Temperature

One of the most critical components of the fan are the bearings. So naturally if the bearings are kept out of the hot airstream they are less susceptible to the effects of the high temperature, and therefore the air temperature can be higher than the limiting temperature of the bearings. Inline fans inherently have drive components in the airstream. In such cases, the unit can sometimes be designed so that cooler outside air is drawn over the drive components, providing some additional cooling. Incorporating this type of external cooling is one of the main reasons Northern Fan medium pressure tube axial inline fan (TBI) can be used for high temperature exhaust applications. There are, however, some arrangements that donÕt allow for the incorporation and benefits of external cooling. For instance, fans in arrangement 3 have the wheel suspended in-between the two bearings. Consequently, one or both of the bearings will always be located in the air stream. Similarly, direct drive fans are limited by the maximum operating temperature of the motor, since the motor is located directly in the hot air stream. That is why most often high temperature exhaust fans are required to be belt driven units; typically the motor is the temperature-limiting component of the unit when it is installed in the airstream. Other than the installation location of the bearing within the fan assembly, other critical points to consider include the type of lubrication in the bearing, as well as the construction of the bearing itself. There is a seemingly endless list of lubricants available for most any application, but the appropriate lubricant can add considerable life to bearing operation. In addition, high temperature bearings can be constructed with inherent construction modifications, such as a larger grease cavity to hold more lubricant.

Industrial Fan Design

Another common variation to the standard fan design is the addition of insulation. The bearing mounting plate, bearing cover and belt tube are the most likely components to be insulated for a high temperature application. Northern Fan automatically includes insulation for these components on all fans specified with either HT Option III or HT Option IV.

Exhaust Fans

It is important to understand that emergency smoke exhaust fans are designed to operate effectively for the temperature and time limits stated as long as the power supply to the fan is not terminated. Since they are not designed to sustain higher temperatures for continuous use, exposure to the extreme high temperatures caused by a fire likely would destroy some or all parts of the fan once the time design limit has elapsed, rendering it incapable of future operation.

High Temperature Fans

Fans that are built for continuous high temperature ventilation have many of the same construction features and options as those built for emergency smoke exhaust. For example, both are typically constructed of higher temperature ferrous materials, have high temperature bearings, have the motor and drive installed either out of the airstream or with some type of additional cooling capabilities, and incorporate some heat shielding or insulation. There are, however, some distinct differences between the fan designs for the two application categories. One of the most common applications for which continuous duty high temperature exhaust fans are specified is commercial kitchen ventilation.

Fans that are specified for continuous operation at higher temperatures need to be carefully selected taking into account air density corrections. Although a fan will move the same amount of air at two different temperatures, the static pressure and horsepower requirements can change drastically as the density of the air varies with changing temperatures. For example, if a fan moves 3,000 CFM at 70 F it will also move 3,000 cfm at 500 F. However, since the hotter air weighs much less than the 70 F air, the fan will require less brake horsepower and will create less static pressure.

There are also some accessories and construction options that are incorporated into high temperature process fans to increase the limiting temperature. For example, a heat slinger can be installed on the shaft between the fan housing and the inboard bearing. A heat slinger is an aluminum disc that absorbs and dissipates some of the heat conducted along the shaft before it travels to the bearings. Many heat slingers incorporate fans that promote additional inboard bearing cooling because it circulates air with every rotation of the shaft.

Another common construction technique is the use of a heat gap. A heat gap is a physical gap between the bearing support structure and the hot fan housing. This separation slows the process of heat conduction to the bearings and drive components through the housing and support structure. An expansion bearing should be installed where the fan shaft is predicted to conduct enough heat that it could expand to a length greater than that of the structure to which it is secured. This allows for expansion of the shaft within the bearing due to the higher temperatures.

High temperature applications can be found in many different areas of the air movement and control industry. It is important to remember that one high temperature fan design is not suited to all applications.

Additional information can be found at the Northern Fan web site http://www.northernindustrialsupplycompany.com/products/heat_exchangers.html

Oleg Cthetchel
Canadian Air Systems Engineer
airknife@cogeco.ca
Northern Fan Co.
http://northernindustrialsupplycompany.com/products/industrialfan_blowers.html
http://northernindustrialsupplycompany.com/products/ventilators.html

High Temperature Ventilators Fans

airknife@cogeco.ca

oven fan,plug fan,air kit,fan wheel,high temperature,blower wheel,ventilator,exhaust fan,oven ventilator,oven blower

***

Tags:
Axial Roof VentilatorsAxial VentilatorBlowerBlower FanBlower Fan CanadaBlower Fan SuppliersBlower IndustrialCentrifugal Blower FanCentrifugal Blower Fan SuppliersIndustrial Centrifugal BlowerIndustrial Centrifugal FanIndustrial FansIndustrial Fans and BlowersIndustrial Pressure BlowerInline Belt Drive FansInline Exhaust FansMaterial Handling FansMixed Flow Inline FanRadial Blade Belt Centrifugal FanRadial Blade Centrifugal FanRadial Blade FanRadial Blade Pressure BlowerRoof Exhaust FansVaneaxial Fans Aluminum WheelVaneaxial Power Roof VentilatorWall Exhaust FansWall Supply Fans

Industrial Fan Performance

Industrial Fan Performance

Visual inspections of the ventilation system often reveal some easily rectified problems that can significantly impair performance. If the system has not been properly maintained, clogged filters or obstructed coils will reduce airflow. The greater the obstruction, the greater the loss in airflow. Any leaks in the ductwork will contribute to reduced performance, especially leaks around plenum bulkheads that can lead to recirculation of air. Worn flexible connectors are a common source of leaks and should be inspected regularly. If the damper linkage is out of adjustment, the damper may not be opening completely, thereby reducing performance. If inlet dampers are used, make sure they are installed so that the air is pre-spun in the same direction as wheel rotation. For all dampers, make sure there is sufficient clearance for the blades to open and close completely without hitting the ductwork or other system components. Last, for systems with either pneumatic or electric controls, make sure damper actuators are operating properly. Sharp changes in the direction of airflow at either the fan inlet or outlet will disrupt the flow through the fan and impair performance. If it is impossible to straighten the ductwork entering and leaving the fan, the use of inlet boxes and turning vanes can minimize performance losses.

Industrial processes and plant ventilation

Industrial processes and plant ventilation systems often need more air than originally designed. Increased production requirements, process changes, and facility renovations are a few of the major reasons. Additionally, the lack of adequate maintenance over time can negatively impact system airflows. This article discusses several procedures that can increase airflow. Often airflow can be increased by adhering to proper fan maintenance procedures as outlined in fan installation and maintenance literature.

Centrifugal Fans & Fan Speed

Fan speed can decrease by as much as 10% to 20% when belts are too loose, with a corresponding loss of airflow. A fan cannot perform as designed if the air flow surfaces are distorted by contaminants. Even in large fans, a sixteenth of an inch of build up can reduce performance. Centrifugal fans will move some air even when running backwards. While some types would use so much horsepower they would trip circuit breakers, other design s could run for years without being detected. Fan components may be out of position due to routine cleaning or painting or the wheel could have shifted during shipment. For backward inclined fans, the relation of wheel to inlet cone is very critical. Even a quarter of an inch can have a major impact. The fan’s installation and maintenance literature shows the proper positioning of the wheel to the inlet cone.

Low Airflow Problems

One of the easiest solutions to low airflow problems is speeding up the fan. While airflow is increased by speeding up the fan, so too are static pressure, noise, and power requirements. Therefore, while increasing the fan’s speed is an easy procedure with low first cost, the additional operating expense over time makes it the most costly solution. When increasing fan speed, it is necessary to check the maximum safe speed of the fan and make sure the motor is capable of the horsepower required to run the fan at the new speed. But never run a fan beyond its maximum safe speed.

Industrial Fans & Improving Airflow

On a first-cost basis, adding or replacing fan equipment is the most costly alternative. However, on a life-cycle-cost basis, considering operating and maintenance expense, it can be the least expensive, as compared to increasing the speed of an existing fan. Sometimes a second fan may be added, either in series or parallel with the original, although it may be more cost effective to simply upgrade the system with a new fan capable of the required airflow and pressure. Adding another fan in series will increase the airflow because of the additional pressure. The operating point of the new system moves further out/up the system curve. Where duct size is adequate to handle the desired amount of air but the existing fan doesn’t provide sufficient pressure, a second fan in series may be the best solution. However, make sure the ductwork can handle the increase in pressure. Adding another fan in parallel with the first will increase airflow due to the combined capacities. Because capacities are being combined instead of pressures, a greater increase in airflow will result for a given system. However, system pressures will also increase and caution is required to avoid the unstable operating area of the combined fan system.

When more air is required it is important to investigate the system on a step-by-step basis, considering the least expensive possibilities first. For existing systems that seem to have lost performance, fan and system maintenance is the place to start. Often, simply improving the efficiency of existing components will suffice. For systems that require greater airflow and / or pressure, increased fan speed is generally the first alternative. However, when large increases in performance are required, there may be no alternative but to purchase a larger fan.

For additional information please refer to http://www.northernindustrialsupplycompany.com/burlington/request5.html

Oleg Tchetchel
Industrial Ventilating Designer
airknife@cogeco.ca
Northern Fan Co.
http://www.northernindustrialsupplycompany.com/burlington/request7.html
http://www.northernindustrialsupplycompany.com/burlington/request2.html

How to Increase Fan Performances

airknife@cogeco.ca

fan,blower,ventilator,roof exhaust,wall exhaust,roof supply,wall supply,fan wheel,fan blower,ventilator wheel,blower wheel

olegsystems

***

Tags:
Axial Roof VentilatorsAxial VentilatorBlowerBlower FanBlower Fan CanadaBlower Fan SuppliersBlower IndustrialCentrifugal Blower FanCentrifugal Blower Fan SuppliersIndustrial Centrifugal BlowerIndustrial Centrifugal FanIndustrial FansIndustrial Fans and BlowersIndustrial Pressure BlowerInline Belt Drive FansInline Exhaust FansMaterial Handling FansMixed Flow Inline FanRadial Blade Belt Centrifugal FanRadial Blade Centrifugal FanRadial Blade FanRadial Blade Pressure BlowerRoof Exhaust FansVaneaxial Fans Aluminum WheelVaneaxial Power Roof VentilatorWall Exhaust FansWall Supply Fans

Industrial Exhaust Fans

Industrial Exhaust Fans

Exhaust fans can be grouped into two general categories: emergency smoke evacuation and process ventilation. Generally speaking, emergency smoke evacuation fans may never be used, but they must be installed and be capable of exhausting high temperature air and smoke in the event of a fire. In contrast, high temperature process ventilation requires continuous duty exhaust of high temperature air, fumes or particulate. Both application types are uniquely different requiring special construction and system design considerations. In this article, we will examine both types of exhaust applications, looking first at the emergency smoke exhaust category. Since emergency smoke exhaust deals with lifesafety issues, there are governing bodies in place that identify and regulate specific design and performance standards. The administration and organization of the various governing bodies is subject to modification based on the needs of the industry. Currently, four such agencies are Industrial Risk Insurers (IRI), Southern Building Code Congress International, Inc (SBCCI), the National Fire Protection Association (NFPA), and Underwriters Laboratories, Inc. (UL). IRI insures properties all over the world based on an informational manual, which details the construction requirements that belt drive emergency heat and smoke exhausters must meet in order to be covered by IRI.

SBCCI is a not-for-profit organization of government officials from the United States and several foreign governments, which serves a strong leadership role in the delivery of model building codes. The purpose of the NFPA can be summarized into three main categories. First, NFPA promotes the science and improves the methods of fire protection and prevention, electrical safety, and other related safety goals. Secondly, it obtains and circulates information on these subjects. And thirdly, it secures the cooperation of its members and the public in establishing proper safeguards against loss of life and property. The fourth organization is Underwriters Laboratories, Inc.. UL is a non-profit, independent organization that maintains and operates laboratories for examination and testing of devices, systems and materials to determine their relation to life, casualty hazards and crime prevention. UL has three safety standards that apply to emergency smoke exhaust products. UL705 is concerned with the mechanical and electrical construction to insure safe operation. All electrical components (motor, wiring, switches, enclosures, etc.) must be ULlisted. UL793 is concerned with the lifting mechanism for the butterfly dampers and the fusible link. In order for a product to be listed in the UL Directory under ÒPower Ventilators for Smoke Control Systems,Ó it must meet the requirements of both UL705 and UL793. Additionally, UL must witness a full-scale test of a fan operating for the required time at the specified elevated and temperature.

High Temperature Exhaust Fans

So what makes one fan more capable of sustaining higher temperatures than another fan? Each model has a recommended maximum operating temperature based on the construction materials, drive components, and airflow characteristics. The limiting temperature is determined to be the highest temperature that any component of the fan assembly will reach during any operating cycle. Similarly, the maximum operating temperature is typically determined to be the lowest temperature that begins to exceed the capacity of any one component. For example, in some cases the bearings may be the limiting component, while in other cases the fanÕs impeller construction material may be the limiting component. The construction material is perhaps the most obvious element of the fan to consider when dealing with a high-temperature application. In general, aluminum withstands maximum temperatures up to 250 F, standard carbon steel up to 750 F, and 316 stainless steel up to 1000 F. Critical components are many times constructed of ferrous materials to withstand the higher temperatures. If temperatures were to exceed 300 F, for example, aluminum would be eliminated as a construction material option. Other construction considerations include bearing type, drive component selections, means of ventilation and cooling of the drive components, and insulation options.

The most common way of simplifying construction and component specifications to accommodate high temperature applications is to maintain separate categories based on the specified temperature range and time requirements.

Canada Fans has four Heat Option Packages for high temperature operation. Heat Option I construction is designed for continuous operation between 200 F and 500 F. Heat Option II construction meets specifications requiring the fan to exhaust 500 F air for a minimum of four hours in an emergency smoke removal situation per IRI requirements. Heat Option III construction meets the specifications requiring the fan to exhaust 1000 F air for a minimum of 15 minutes in an emergency smoke removal situation per SBCCI. This construction also surpasses the IRI requirements for 500 F for a minimum of four hours. Heat Option IV construction meets specifications for UL Listed ÒPower Ventilators for Smoke Control Systems. This includes the IRI requirement of 500 F for a minimum of four hours, the SBCCI requirements of 1000 F for a minimum of 15 minutes, and the Snow Load Test for butterfly dampers in UL-793.

While it may be tempting to choose a higher heat option than necessary “just to be safe”, doing so can add considerable and unnecessary cost to the job. For example, selecting HT Option III when HT Option II is adequate adds insulation and high temperature bearings. These items would be considered “overkill” and add unnecessary extra costs.

For additional information please refer to http://www.northernindustrialsupplycompany.com/products/industrialfan_blowers.html

Oleg Cthetchel
Industrial Process Engineer
airknife@cogeco.ca
Northern Fan Co.
http://northernindustrialsupplycompany.com/products/index.html
http://northernindustrialsupplycompany.com/products/industrialfan_blowers.html

High Temperature Exhaust Fan

airknife@cogeco.ca

high temperature fan,high temperature blower,high temperature ventilator,oven exhaust fan,oven exhaust ventilator,oven circulation fan,oven circulating fan

buffalofancom

***

Tags:
Axial Roof VentilatorsAxial VentilatorBlowerBlower FanBlower Fan CanadaBlower Fan SuppliersBlower IndustrialCentrifugal Blower FanCentrifugal Blower Fan SuppliersIndustrial Centrifugal BlowerIndustrial Centrifugal FanIndustrial FansIndustrial Fans and BlowersIndustrial Pressure BlowerInline Belt Drive FansInline Exhaust FansMaterial Handling FansMixed Flow Inline FanRadial Blade Belt Centrifugal FanRadial Blade Centrifugal FanRadial Blade FanRadial Blade Pressure BlowerRoof Exhaust FansVaneaxial Fans Aluminum WheelVaneaxial Power Roof VentilatorWall Exhaust FansWall Supply Fans

Axial Fans & Blowers – High Temperature

Axial Fans & Blowers – High Temperature

Canada Fans Co. now offers high temperature construction on its axial fans. There are a few steps of fan heat construction available: 200 F, 725 F, 800 F. High temperature inline fans are ideal for industrial oven and dryer exhaust systems where pressure requirements are minimal and compact light-weight designs are advantageous.

High Temperature Fans

200 F High Temperature Duct Fans come with special heat bearings and a belt drive with increased safety factor.

Tubeaxial Fans

650 F Tubeaxial Fan design involves special belt tunnel cooling system that induces a flow of cooler, ambient air through the belt well and inner tube, cooling the fan’s internal components. Depending on temperature requirements, modifications include high-temperature alloy fan wheel, special drive components, and modifications to provide internal ambient air cooling.

Fans with ambient air cooling systems handling hot airstreams must have sufficient airflow and be kept in operation until airstream temperatures cool below 120 F to prevent damage to the fan unit. The Tubeaxial fan ambient air cooling system is only effective while fan is operating.

Vaneaxial Fans

800 F Vaneaxial Fans are designed to operate continuously at temperatures to 800 deg. F, and include an auxiliary cooling fan that forces air through the bearing compartment and exits out through the insulated belt opening taking away excessive heat from the shaft and bearings. A high temperature shaft seal is also standard on this design.

Fans handling hot airstreams must have sufficient airflow and be kept in operation until airstream temperatures cool below 120 F to prevent damage to the fan unit. The Tubeaxial fan ambient air cooling system is only effective while fan is operating.

High Temperature Fans Specifications

The Canada Fans complete high temperature fans line now include:

– Operating up to 2200 F, centrifugal, axial and plug fan types;
– Pre-engineered and custom made fans for all types of applications with vaiety of impeller types and accessories;
– Canada Fans engineers provide a professional advice and recommend a right fan for every application & oven / plenum design;
– The fan offering provides competitive replacement fans to Garden City, Lau, IGE, Alloy Fabricating fan models; repairs, re-build & balancing;
– Unique high temperature water-cooled motors for operation up to 2300 F;

in the two major types of high temperature fans – centrifugal and axial:

Centrifugal Wheels:

* Multiblade forward curve wheel. This type of wheel is usually specified where there is a necessity for large volumes of flow against low to medium static pressure requirements. The forward curve blade is that it delivers the same volume of air as either the backward or radial blade wheel, at a lower fan speed, which is important due to wheel stresses at elevated temperatures. This fan is the most common type used in all types of heat treatment operations except where a buildup of material on the blades could occur, as wheel unbalance would result.
* Radial Blade, paddle wheel type fans. This type of wheel is usually specified where there is a necessity for medium volumes of flow against medium to large static pressures. The paddle wheel is considered a self cleaning type of wheel. It could be used where there are various materials or dust in the air stream. Due to its structurally strong design, it is used in many heat treatment applications at very high temperatures where maximum fan longevity is desired.

Axial Blade Wheels:

* The axial blade wheel is usually specified where there is a need for very large volumes of flows against low static pressure. Axial wheel like the multi-blade forward curve type wheel could cause an axial fan to deliver different air volumes at the same static pressure, if the total pressure requirement of the fan system was underestimated. This type of fan is ideally suited where a large volume of flow is required with a minimum of duct work and is used extensively for small and large furnaces, such as aluminum annealing.

For additional information please refer to http://northernindustrialsupplycompany.com/products/industrialfan_blowers.html.

Oleg Cthetchel
Canadian process air systems developer
Canada Fans Co.
http://northernindustrialsupplycompany.com/products/index.html
http://northernindustrialsupplycompany.com/manufacturers.html

High Temperature Axial Ventilators

fan blower ventilator duct tubeaxial vaneaxial high temperature pressure thermo IGE alloy engineering industrial gas garden city circulating circulation oven exhaust plug air kit centrifugal axial

fan@cogeco.ca

fan,blower,ventilator,duct,tubeaxial,vaneaxial,high,temperature,pressure,thermo,IGE,alloy,engineering,industrial,gas,garden,city,circulating,circulation,oven,exhaust,plug,air,kit,centrifugal,axial

http://www.nisco.net/tchetchel.gif

***

Tags:
Axial Roof VentilatorsAxial VentilatorBlowerBlower FanBlower Fan CanadaBlower Fan SuppliersBlower IndustrialCentrifugal Blower FanCentrifugal Blower Fan SuppliersIndustrial Centrifugal BlowerIndustrial Centrifugal FanIndustrial FansIndustrial Fans and BlowersIndustrial Pressure BlowerInline Belt Drive FansInline Exhaust FansMaterial Handling FansMixed Flow Inline FanRadial Blade Belt Centrifugal FanRadial Blade Centrifugal FanRadial Blade FanRadial Blade Pressure BlowerRoof Exhaust FansVaneaxial Fans Aluminum WheelVaneaxial Power Roof VentilatorWall Exhaust FansWall Supply Fans

Canada Fans Blower Fan Supplier

Canada Fans Blower Fan Supplier

Canada Fans heavy duty fans are designed and selected with the use of modern computer techniques guided by over 100 years of fan engineering experience. Comprehensive testing confirms design decisions. Quality manufacturing standards guarantee long service life.

Industrial Axial and Centrifugal Fans

Canada Fans heavy duty axial and centrifugal fans are designed to handle applications involving erosive and corrosive gases, large capacities, high pressures and temperature extremes.

Typical applications include air cleaning systems, mechanical draft, chemical processes, kiln exhaust, mine ventilation, gas recirculation, sinteric and cryogenic service.

Industrial Fans and Blowers – A long history of excellence

Over the years, Canada Fans supplied fans, blowers and pumps to a wide range of industries and applications. When prolonged service wears fan wheel the logical replacement is a new fan wheel built to the original design. A technical support and sales agent will get a replacement wheel, shaft, bearings, accessories, etc. in the shortest time. He, or she may also recommend changes to extend service life and performance of your machinery, including special materials of construction, explosion-proof and spark-resistant design, variety of coatings and accessories, intended to meet practically any application needs.

Canada Fans air moving products are best know for “industrial quality” assuring reliable performance, relentless dependability and longevity. A staff of specially trained engineers will design a dependable fan that exactly fits customers’ dimensional and performance requirements.

Solving difficult and unique air moving problems has earned Canada Fans a reputation for exceptional performance and reliability. Whether it’s energy related or industrial processing or simply moving a precise volume of air, a staff of specially trained engineers will design a dependable fan that exactly fits your performance and dimensional requirements

Canada Fans are sold and serviced by air movement professionals. We can help you explore your needs and will be pleased to work with you.

Canada Fans Corporation is committed to offering a wide variety of fans to meet your needs. Please visit our link, below, to view our capabilites and vast selection of designs. Buffalo Fan sales offices are located throughout North America and manufactured around the world. Wherever you are, “We want you to enjoy doing business with us.” Leave it to Canada Fans to take a perfectly reliable fan and offer a quieter, more efficient, less costly alternative.

Additional information can be found at the Canada Fans company web site http://www.canadianblower.com/ahu/index.html

Oleg Tchetchel
Air Systems Designer
oleg.tchetchel@canadablower.com
Canada Fans
http://canadianblower.com/hvac/index.html
http://canadianblower.com/index.html

Canada Fans Fan Blowers

oleg.tchetchel@canadablower.com

explosion proof fan,explosion proof blower,explosion proof ventilator,spark resistant fan,spark resistant blower,spark resistant ventilator

***

Tags:
Axial Roof VentilatorsAxial VentilatorBlowerBlower FanBlower Fan CanadaBlower Fan SuppliersBlower IndustrialCentrifugal Blower FanCentrifugal Blower Fan SuppliersIndustrial Centrifugal BlowerIndustrial Centrifugal FanIndustrial FansIndustrial Fans and BlowersIndustrial Pressure BlowerInline Belt Drive FansInline Exhaust FansMaterial Handling FansMixed Flow Inline FanRadial Blade Belt Centrifugal FanRadial Blade Centrifugal FanRadial Blade FanRadial Blade Pressure BlowerRoof Exhaust FansVaneaxial Fans Aluminum WheelVaneaxial Power Roof VentilatorWall Exhaust FansWall Supply Fans

Industrial Fans – Chemical Industry

Industrial Fans – Chemical Industry

Biomass boiler packages service the wood industry—burning waste products ranging from excess wood, wood chips, coconut husks, or even cocoa bean shells to create steam that can then be used to generate power. Fans serving these types of industrial applications need to have a rugged construction to be able to handle the harsh operating environment introduced by the high-temperature biomass boilers, and Canada Fans fans continue to stand up to the test. All housings are continuously welded using heavy gauge, reinforced steel, and suitably braced to prevent pulsation. Wheels and blades are manufactured with a heavy-duty, robust design.

Radial Blade Fans

In addition, the range of products used in the boilers means that the fans must handle often-dirty airstreams. In these cases, straight radial blade designs are used to alleviate the potential operational problems that can be caused from buildup on the blades from materials coming through the fan. Canada Blower also understand the importance of designing a product that could meet the needs of varying climates and other environmental challenges. Canada Fans fans are designed to be prolific throughout the word, from varying climates in South America, Europe, Canada, and all throughout the U.S. to ensure uninterrupted, consistent operation.

Canada Fans has the engineering and manufacturing capabilities to accommodate virtually every conceivable application,after completing thousands of successful installations worldwide and have a proven track record for tackling the most technically complex and unique applications. Buffalo Fan offers a great breadth of products and quickly adapting to the needs of the customers.

The petrochemical industry utilizes fans in many different areas of the plant. Each of these custom applications requires quality fans designed for durability, ease of maintenance and dependability. Some of the areas where fans are used include forced draft fans and induced draft fans. Canada Fans has extensive experience providing air movement solutions involving all areas of petrochemical processing, and has worked with numerous companies throughout the United States and worldwide, serving more than 60 petrochemical facilities and counting.

Canada Fans provides fan testing and validation services at the in-house laboratory, as well as on-site. We also offer scheduled maintenance, including balance, alignment and operational training. Canada Fans services and repairs all brands and types of fans. The fan services offered is an extension of Canada Fans’ commitment to provide the customers with the highest level of service and support.

Canada Fans and its assotiated companies have vast experience in meeting the extremely stringent requirements of the American Petroleum Institute (API). With engineers sitting on the API task force, project management, test procedures and worldwide installations, Canada Fans has the experience and expertise to meet the API 560 and 673 specifications without exceptions. Typical requirements are:

• Fan sleeve bearings, wither anti-friction or hydrodynamic
• Constant level oilers
• Single or double carbon ring shaft seals
• Corrosion resistant shaft sleeves with strict runout tolerances
• Heavy-duty inlet silencers with minimum 15′ height requirements
• NDE-Dye penetrant inspection of rotor welds
• Fan mechanical run test & performance shop test

Special features of chemical duty fans are:

• Cast iron access doors
• External linkage radial vane damper
• Tubular base
• Lateral & torsional analysis complete to the bottom of the sub base

Canada Fans is an industry leading designer and manufacturer of the highest quality industrial fans throughout the world. Our products are known for their rugged construction and reliable operation. Canada Blower offers unmatched flexibility and fan customization, coupled with superior service before and after the sale. Canada Blower also have the capability to provide parts and service for products not manufactured by Canada Blower Co.

For additional information please refer to http://www.canadafans.com

Susan Terlitski
Designer of Industrial Process Ventilation Equipment
canadablower@canadablower.com
Canada Blower
http://www.canadablower.com/inquiry/index.html
http://www.canadablower.com/fans/index.html

Fan / Blower for Chemical Industry

canadablower@canadablower.com

industrial fan,industrial blower,pressure blower,high pressure blower,industrial pressure blower,process fan,industrial ventilator

buffaloblowercom

***

Tags:
Axial Roof VentilatorsAxial VentilatorBlowerBlower FanBlower Fan CanadaBlower Fan SuppliersBlower IndustrialCentrifugal Blower FanCentrifugal Blower Fan SuppliersIndustrial Centrifugal BlowerIndustrial Centrifugal FanIndustrial FansIndustrial Fans and BlowersIndustrial Pressure BlowerInline Belt Drive FansInline Exhaust FansMaterial Handling FansMixed Flow Inline FanRadial Blade Belt Centrifugal FanRadial Blade Centrifugal FanRadial Blade FanRadial Blade Pressure BlowerRoof Exhaust FansVaneaxial Fans Aluminum WheelVaneaxial Power Roof VentilatorWall Exhaust FansWall Supply Fans

Axial Fans & Axial Ventilators

Axial Fans & Axial Ventilators

Canada Fans fans are the finest quality blowers available for efficient movement of corrosive, humid, or polluted air, gases, and fumes. These fire-retardant and corrosion-resistant plastic fans are specially designed and especially suited for hostile applications where coated metal blowers typically corrode. Canada Fans fans are proven thoughout the world and clearly recognized for superior quality, reliability, and efficiency.

Axial Flow Fans

The axial flow fans are widely used for providing the required airflow for heat & mass transfer operations in various industrial equipment and processes. These include cooling towers for air-conditioning & ventilation, humidifiers in textile mills, air-heat exchangers for various chemical processes, ventilation & exhaust as in mining industry etc. All the major industries use large number of axial flow fans for operations, such as:

– Power Generation Facilities

– Petroleum Refining & Petrochemicals

– Cement Industry

– Chemicals & Pharmaceuticals

– Fertilizer Production

– Mining Industries

– Institutional Ventilation, etc..

Fiberglass Reinforced Plastics (FRP) provide the desired non-corrosive quality to the fan blades, resulting the operation of fans even in the very aggressive environment. Lightweight FRP fans also ensure a low moment of inertia, minimum wear & stress on motor, bearing and drive system.

Hollow FRP blades reduce material & installation costs and possibility of damage to the fan & drive during sudden stops. Composite structural design can be tailor made by using glass fibres in various forms (woven mat & rovings) in right direction while moulding the impeller with resin thus imparting the desired mechanical strength by improving its structural stability and enhanced mechanical properties.

Aerofoil design of fan impellers ensures higher efficiency, lower noise levels & less power consumption. The aerodynamically designed impellers of fans, fabricated by composite material can be an excellent alternative to ensure enhanced efficiency & appropriate energy savings apart from a wide gamut of critical advantages.

The FRP fans offer certain critical advantages as mentioned hereunder:

– Optimal aerodynamic design of fan impellers to provide higher efficiency for any specific application.

– Reduction in overall weight of the fan, thereby extending the life of mechanical drive systems.

– Require lower drive motor rating and light duty bearing system.

– Low power consumption resulting in appreciable energy savings.

– FRP fans fabricated by compression moulding/resin transfer moulding technique would have uniform dimensions and consistent quality.

– Lower flow noise and mechanical noise levels compared to the conventional metallic fans.

– Longer life of fans due to improved mechanical strength.

The potential of FRP composite for various applications is very wide. In view of the crucial need for developing indigenous capability in composite technology the main advantage of FRP fans is their utilization and application of composite as an important performance material in various sectors and to improve upon the laboratory-industry linkages towards development & commercialisation.
Canada Fans Co. is a major supplier of plastic and fiberglass fans and blowers for industry applications where aggressive media must be moved. Plastic fans include polypropelene, PVC, PVDF, fire retardant and UV resistant PPs.

Some applications for Corrosion and Chemical Resistant Fans worth to mention here are:

* University, Medical Research, Defence Labs, Fume Hoods OEMs, Pharmaceutical Labs

* High Technology Semiconductors, PCBs, and Photonics

* Printed Circuit Board Industry

* Waste water and Sewage Treatment Plants

* Salt Air and High Humidity Environments

* Steel and Wire Manufacturing

* Stainless Steel and other Metal Production Facilities

* Chemical and Petrochemical Industries

* Jet Engine and Power Plant Turbine Manufacturing or Servicing

* Electroplating and Metal Finishing

* Scrubber OEMs and Designers

* Industrial Galvanizers

* Printing Press Service Shops

* Chromatography

* Food Processing

* Pulp and Paper Industry

Tough applications mean tough fans and blowers by Canada Fans Co. Canada Fans is a world wide distributor of industrial process ans OEM fans and blowers, as well as fan / blower components; including high pressure blowers, high temperature fans, spark resistant and explosion proof ventilators, tubeaxial and vaneaxial high pressure ventilators. Canada Fans Co. also does existing fans and blowers repairs, re-build, as well as dynamical wheels balancing.

Additional information can be found at the Canada Fans web site http://www.canadafans.com

Oleg Cthetchel
Air Process Systems Engineer
Canada Fans Co.
http://www.canadafans.com

FRP Axial Fans and Ventilators by Canada Fans

fan blower ventilator high pressure industrial stainless alloy fiberglass FRP PVC Propylene Polypropylene PVDF corrosion resistant corrosive resistance heavy duty capacity process exhaust

fan,blower,ventilator,high,pressure,industrial,stainless,alloy,fiberglass,FRP,PVC,Propylene,Polypropylene,PVDF,corrosion,resistant,corrosive,resistance,heavy,duty,capacity,process,exhaust

fan@cogeco.ca

***

Tags:
Axial Roof VentilatorsAxial VentilatorBlowerBlower FanBlower Fan CanadaBlower Fan SuppliersBlower IndustrialCentrifugal Blower FanCentrifugal Blower Fan SuppliersIndustrial Centrifugal BlowerIndustrial Centrifugal FanIndustrial FansIndustrial Fans and BlowersIndustrial Pressure BlowerInline Belt Drive FansInline Exhaust FansMaterial Handling FansMixed Flow Inline FanRadial Blade Belt Centrifugal FanRadial Blade Centrifugal FanRadial Blade FanRadial Blade Pressure BlowerRoof Exhaust FansVaneaxial Fans Aluminum WheelVaneaxial Power Roof VentilatorWall Exhaust FansWall Supply Fans

Industrial Blower Fan Types

Industrial Blower Fan Types

Different models of fans are available in the market in various unique designs, integrated with the latest technologies and low power consumption facilities. The variety of elegant fans includes integrated gear box and push button switch to suit any decor.Many stylish fans with double ball bearing are available in lots of colors which are integrated with dynamically balanced blade for maximum air delivery.The use of radial blower in the fans helps in moving air perpendicular to the blower axis and provides relatively low flow rates and high pressures.

Wide range of blowers and fans

The wide range of blowers and fans includes non-decorative Ceiling fans, wall mount fans, decorative ceiling fans, single centrifugal blowers, dual centrifugal blowers, radial wheel blowers, cast aluminum blowers, high pressure blowers, belt driven blowers, explosion proof and food safe blowers, high temperature oven circulating fans, industrial fans and also stainless steel and other alloy fans are available in the market. Finest quality, durability and enduring performances of these fans are catching more attention of the market these days. A wide range of axial flow fans is designed to provide efficient trouble free service & reduce the initial and operating cost to minimum. Apart from the fans there are various other products like air blowers, air scrubbers, axial fans, axial flow fans, centrifugal blowers, cyclone seperators, dust collecting equipment, dust collector, exhaust blowers, fan blowers, industrial blowers and many more.

Non-Decorative Ceiling Fans are integrated with the low power consumption facility with double ball bearing for maximum air delivery and available at very reasonable price. Non-Decorative Ceiling Fans are high speed fans, which are available with four blades to provide maximum air delivery and best for all small rooms. Non-Decorative Ceiling Fans has variety of designs and colors available at the best competitive prices. Non-Decorative Ceiling Fans consists of power saving technologies which make it more unique and high monopoly holder in the competitive market.

Wall Mounted Fans

Wall Mount Fans are available in sleek and stylish look with less noise and delivers maximum air pressure. Wall Mount Fans are integrated with aluminium blade coated which increases its life and also gives an elegant look to your room. Wall Mount Fans are available in many colors like Blue, Red, Brown, Cherry and lots more.

Decorative Ceiling Fans are one of the most demanding ranges of fans in the market. The aluminium body with golden touch offers a unique look and suits any decor. These days, the latest technology of power saving in fans attracts the market and consumers as well.

Susanna Terlitskaia
Industrial Ventilating Engineer
Industrial Blower Fans Company
nis@primus.ca
canadafans.com

Fan Types

fan blower ventilator high temperature pressure gas-tight air-tight zero emission industrial sulfur recovery heavy duty capacity process chemical steam jacket jacketed double wall housing shaft seal mechanical

nis@primus.ca

Industrial blowers

fan,blower,ventilator,high,temperature,pressure,industrial,super,transfer,air,gas,positive,negative,heavy,duty,capacity,process

http://www.nisco.net/tchetchel.gif

***

Tags:
Axial Roof VentilatorsAxial VentilatorBlowerBlower FanBlower Fan CanadaBlower Fan SuppliersBlower IndustrialCentrifugal Blower FanCentrifugal Blower Fan SuppliersIndustrial Centrifugal BlowerIndustrial Centrifugal FanIndustrial FansIndustrial Fans and BlowersIndustrial Pressure BlowerInline Belt Drive FansInline Exhaust FansMaterial Handling FansMixed Flow Inline FanRadial Blade Belt Centrifugal FanRadial Blade Centrifugal FanRadial Blade FanRadial Blade Pressure BlowerRoof Exhaust FansVaneaxial Fans Aluminum WheelVaneaxial Power Roof VentilatorWall Exhaust FansWall Supply Fans

Industrial Axial Fans

Industrial Axial Fans

Canada Fans are the finest quality blowers available for efficient movement of corrosive, humid, or polluted air, gases, and fumes. These fire-retardant and corrosion-resistant plastic fans are specially designed and especially suited for hostile applications where coated metal blowers typically corrode. Canada Fans are proven thoughout the world and clearly recognized for superior quality, reliability, and efficiency.

Axial Flow Fans

The axial flow fans are widely used for providing the required airflow for heat & mass transfer operations in various industrial equipment and processes. These include cooling towers for air-conditioning & ventilation, humidifiers in textile mills, air-heat exchangers for various chemical processes, ventilation & exhaust as in mining industry etc.

All the major industries use large number of axial flow fans for operations, such as:

– Power Generation Facilities

– Petroleum Refining & Petrochemicals

– Cement Industry

– Chemicals & Pharmaceuticals

– Fertilizer Production

– Mining Industries

– Institutional Ventilation, etc..

Fiberglass Reinforced Plastics (FRP) provide the desired non-corrosive quality to the fan blades, resulting the operation of fans even in the very aggressive environment. Lightweight FRP fans also ensure a low moment of inertia, minimum wear & stress on motor, bearing and drive system.

Hollow FRP blades reduce material & installation costs and possibility of damage to the fan & drive during sudden stops. Composite structural design can be tailor made by using glass fibres in various forms (woven mat & rovings) in right direction while moulding the impeller with resin thus imparting the desired mechanical strength by improving its structural stability and enhanced mechanical properties.

Aerofoil design of fan impellers ensures higher efficiency, lower noise levels & less power consumption. The aerodynamically designed impellers of fans, fabricated by composite material can be an excellent alternative to ensure enhanced efficiency & appropriate energy savings apart from a wide gamut of critical advantages.

The FRP fans offer certain critical advantages as mentioned hereunder:

– Optimal aerodynamic design of fan impellers to provide higher efficiency for any specific application.

– Reduction in overall weight of the fan, thereby extending the life of mechanical drive systems.

– Require lower drive motor rating and light duty bearing system.

– Low power consumption resulting in appreciable energy savings.

– FRP fans fabricated by compression moulding/resin transfer moulding technique would have uniform dimensions and consistent quality.

– Lower flow noise and mechanical noise levels compared to the conventional metallic fans.

– Longer life of fans due to improved mechanical strength.

The potential of FRP composite for various applications is very wide. In view of the crucial need for developing indigenous capability in composite technology the main advantage of FRP fans is their utilization and application of composite as an important performance material in various sectors and to improve upon the laboratory-industry linkages towards development & commercialisation.

Canada Fans is a major supplier of plastic and fiberglass fans and blowers for industry applications where aggressive media must be moved. Plastic fans include polypropelene, PVC, PVDF, fire retardant and UV resistant PPs.

Some applications for Corrosion and Chemical Resistant Fans worth to mention here are:

* University, Medical Research, Defence Labs, Fume Hoods OEMs, Pharmaceutical Labs

* High Technology Semiconductors, PCBs, and Photonics

* Printed Circuit Board Industry

* Waste water and Sewage Treatment Plants

* Salt Air and High Humidity Environments

* Steel and Wire Manufacturing

* Stainless Steel and other Metal Production Facilities

* Chemical and Petrochemical Industries

* Jet Engine and Power Plant Turbine Manufacturing or Servicing

* Electroplating and Metal Finishing

* Scrubber OEMs and Designers

* Industrial Galvanizers

* Printing Press Service Shops

* Chromatography

* Food Processing

* Pulp and Paper Industry

Tough applications mean tough fans and blowers by Canada Fans. Canada Fans is a world wide distributor of industrial process ans OEM fans and blowers, as well as fan / blower components; including high pressure blowers, high temperature fans, spark resistant and explosion proof ventilators, tubeaxial and vaneaxial high pressure ventilators. Northern Industrial Co. also does existing fans and blowers repairs, re-build, as well as dynamical wheels balancing.

Additional information can be found at the Canada Fans web site http://canadafans.com/

Oleg Cthetchel
Air Process Systems Engineer
Canada Fans

http://canadafans.com/

FRP Axial Fans and Ventilators by Northern Industrial

fan blower ventilator high pressure industrial stainless alloy fiberglass FRP PVC Propylene Polypropylene PVDF corrosion resistant corrosive resistance heavy duty capacity process exhaust

fan,blower,ventilator,high,pressure,industrial,stainless,alloy,fiberglass,FRP,PVC,Propylene,Polypropylene,PVDF,corrosion,resistant,corrosive,resistance,heavy,duty,capacity,process,exhaust

fan@cogeco.ca

***

Tags:
Axial Roof VentilatorsAxial VentilatorBlowerBlower FanBlower Fan CanadaBlower Fan SuppliersBlower IndustrialCentrifugal Blower FanCentrifugal Blower Fan SuppliersIndustrial Centrifugal BlowerIndustrial Centrifugal FanIndustrial FansIndustrial Fans and BlowersIndustrial Pressure BlowerInline Belt Drive FansInline Exhaust FansMaterial Handling FansMixed Flow Inline FanRadial Blade Belt Centrifugal FanRadial Blade Centrifugal FanRadial Blade FanRadial Blade Pressure BlowerRoof Exhaust FansVaneaxial Fans Aluminum WheelVaneaxial Power Roof VentilatorWall Exhaust FansWall Supply Fans

Ventilator Fans – Methods of Building Ventilation

Ventilator Fans – Methods of Building Ventilation

When straightforward breeze conditioning system is possible, the rate of air velocity method outlined above should be the basic method used. However, there may be rooms or areas within the building that will require special treatment. If so, one of the other methods, such as spot cooling or zone cooling, may be combined with the basic method to achieve the over-all objectives.

Air circulators

Air circulators may be effectively used to boost air velocity through large buildings that have a flow pattern difficult to control. Air circulators are also used to redirect air into occupied areas near floor level. Air circulators are also effectively used in locations where adequate exhaust and supply air fans may be lacking. Air circulation alone may provide heat relief and cooling comfort to individuals in the area. Northern Fan’s Type CABL fan is ideally suited to this application. For many installations, fans like this may be positioned 8′ to 10′ above the floor and at approximately 50′ intervals to obtain a continuously circulating column of air across a room or building. To broaden the column of air, fans should be located abreast of each other 15′ to 20′ apart. Fan locations and positions are easily adjusted to the requirements of the area.

Although an accurate, intelligent calculation of the required air volume for a breeze conditioning system has been made, there are practical limitations in most buildings that may seriously affect the final results. By giving these limitations proper consideration in the planning stage, the system can usually be modified to compensate for them. Some of the more common limitations are listed here.

Air Flow Restrictions due to interior partitions

It is obvious that interior partitions restrict and interrupt the flow of air through a structure. The effect of these partitions on the system must be analyzed and solutions found. In buildings with very high ceilings. the cross-sectional area factor may become unrealistic in calculating the required air volume. In most instances, inexpensive baffles can be installed across the building width to reduce the effective cross-section to an area 10′ or 12′ above floor level. Machinery, raw materials and finished goods that obstruct air circulation. These obstacles, like interior partitions, must be considered and methods worked out to overcome the problems they create to the proper circulation of air through the structure. Frequently, the location of heat-producing machinery will seriously interfere with the preferred pattern of air circulation. This situation can destroy the effectiveness of the system. An alternative plan to overcome the problem is essential.

Another limitation of the very high ceiling or roof is the difficulty of maintaining the air velocity near floor level. The baffle method just described is usually the best way to reconcentrate the air flow along the floor level where it will be effective in providing personnel comfort. In large buildings, baffles may be required at l00-foot intervals to keep air flow near the floor level.

Operations within the area frequently require wall openings or loading doors that will drastically interfere with the desired airflow pattern. In some cases, individuals may open windows that should remain closed to maintain effective air circulation. A remedy for each of these problems is required. For maximum efficiency and economy, a good layout will avoid the restricted intake opening. The type of exhaust equipment normally utilized is most economical and efficient if static pressure in the system is 1/8″ or less. To obtain this condition, air velocity through intake openings should not exceed 1,000 feet per minute, a lower figure is usually desirable.

Additional information can be found at the Northern Fan web site http://northernindustrialsupplycompany.com/products/ilg.html

Oleg Cthetchel
Canadian Industrial Ventilating Engineer
airknife@cogeco.ca
Northern Fan Co.
http://northernindustrialsupplycompany.com/manufacturers.html
http://northernindustrialsupplycompany.com

Practical Way of Ventilation

airknife@cogeco.ca

industrial ventilation,ventilation system,ventilating system,fan system,blower system,industrial air system,air moving equipment,air moving system

canadablower

***

Tags:
Axial Roof VentilatorsAxial VentilatorBlowerBlower FanBlower Fan CanadaBlower Fan SuppliersBlower IndustrialCentrifugal Blower FanCentrifugal Blower Fan SuppliersIndustrial Centrifugal BlowerIndustrial Centrifugal FanIndustrial FansIndustrial Fans and BlowersIndustrial Pressure BlowerInline Belt Drive FansInline Exhaust FansMaterial Handling FansMixed Flow Inline FanRadial Blade Belt Centrifugal FanRadial Blade Centrifugal FanRadial Blade FanRadial Blade Pressure BlowerRoof Exhaust FansVaneaxial Fans Aluminum WheelVaneaxial Power Roof VentilatorWall Exhaust FansWall Supply Fans